Our Words, and Theirs: A Reflection on the Historian's Craft, Today

Carlo Ginzburg
Professor Emeritus, University of California, Los Angeles
October 3, 2011

What is the relationship between the idiom of the observer (historian, anthropologist) and the idiom of the actors, dead or alive? This question, which has been addressed from widely different (and usually unrelated) points of view, provides an oblique approach to the cognitive, moral, and political implications of the historian’s craft today.

Mechanism Design With Set-Theoretic Beliefs

Jing Chen
Massachusetts Institute of Technology
October 3, 2011

In settings of incomplete information, we put forward (1) a very conservative ---indeed, purely set-theoretic--- model of the beliefs (including totally wrong ones) that each player may have about the payoff types of his opponents, and (2) a new and robust solution concept, based on mutual belief of rationality, capable of leveraging such conservative beliefs.